| YHM 16 inch AR Barrel Threaded YHM-49-T These barrels are threaded 1/2”-28 to accept YHM sound suppressors, flash hiders, muzzle brakes, and other accessories. Chambered in 5.56 NATO. Made from chrome-moly vanadium steel , heat treated to RC 25-32, and chrome lined. Fluted models feature YHM’s diamond fluting to improve rigidity and aid in barrel cooling. These barrels feature M4 style feed ramps for reliable function. 14.5" models have pinned and welded muzzle attachments to make the barrel length the legally required 16".
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